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Flight Reliability

UA 2343 · United Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and UA 2343 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

81%
Arrive within 15 minutes
8 min
Average arrival delay
0.9%
Cancelled
1 min early
Median arrival delay

Based on 556 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(82 flights)
  • Tue86%(72 flights)
  • Wed88%(73 flights)
  • Thu81%(84 flights)
  • Fri74%(82 flights)
  • Sat83%(71 flights)
  • Sun74%(83 flights)
On-time by departure window
  • 6–9 AM87%(335 flights)
  • 12–3 PM71%(122 flights)
  • 3–6 PM72%(75 flights)
  • 6–9 PM67%(15 flights)
On-time trend by month
86%
May

Jun 83% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%60
July 202579%61
August 202577%70
September 202582%49
October 202578%54
November 202587%23
December 202590%31
January 202680%30
February 202693%40
March 202663%57
April 202690%30
May 202686%42
Departures on time
88%
Diverted
0.7%
Flights flown
547
Months covered
12

Keep nerding

Based on 556 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.